Home / 1,759,624.64-2,638,910.08-917,717.12

Finding the Fourth Proportional to 1,759,624.64, 2,638,910.08 and 917,717.12

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Solution

The fourth proportional to 1,759,624.64, 2,638,910.08 and 917,717.12 is: 1,376,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,624.64 : 2,638,910.08 = 917,717.12 : x
  2. Step 2: Convert to fraction form
    1,759,624.64/2,638,910.08 = 917,717.12/x
  3. Step 3: Cross multiply
    1,759,624.64x = 2,638,910.08 × 917,717.12
  4. Step 4: Simplify right side
    1,759,624.64x = 2,421,772,958,556.57
  5. Step 5: Solve for x
    x = 2,421,772,958,556.57/1,759,624.64
  6. Step 6: Final answer
    x = 1,376,300.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.